22145253424 has 20 divisors (see below), whose sum is σ = 49035918544. Its totient is φ = 9490822848.

The previous prime is 22145253419. The next prime is 22145253479. The reversal of 22145253424 is 42435254122.

It is a self number, because there is not a number n which added to its sum of digits gives 22145253424.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98862627 + ... + 98862850.

Almost surely, 2^22145253424 is an apocalyptic number.

It is an amenable number.

22145253424 is an abundant number, since it is smaller than the sum of its proper divisors (26890665120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22145253424 is a wasteful number, since it uses less digits than its factorization.

22145253424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197725492 (or 197725486 counting only the distinct ones).

The product of its digits is 76800, while the sum is 34.

The spelling of 22145253424 in words is "twenty-two billion, one hundred forty-five million, two hundred fifty-three thousand, four hundred twenty-four".